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the resultant of two forces acting at an angle of 150degree is 10 kg weight and is perpendicular to one of the forces. find the other force

the resultant of two forces acting at an angle of 150degree is 10 kg weight and is perpendicular to one of the forces. find the other force

Grade:11

2 Answers

Riddhish Bhalodia
askIITians Faculty 434 Points
7 years ago
The figure is as shown by using the information in question and applying the parrellogram law

512-114_2016-01-16-164349.jpg
Now we know that the resultant is 10kg weight = 100N force vector
using basic trigonometry one can clearly say that
100/y = sin(180-150) = sin30 = 0.5
y = 200N whichis what we were required to find
Rishi Sharma
askIITians Faculty 646 Points
3 years ago
Dear Student,
Please find below the solution to your problem.

The figure is as shown by using the information in question and applying the parrellogram law
645-877_01.PNG
Now we know that the resultant is 10kg weight = 100N force vector using basic trigonometry one can clearly say that
[100/y = sin(180-150) = sin30 = 0.5] y = 200N

Thanks and Regards

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